n=int(input())
l=list(map(int,input().split()))
if n<=2:
    print(0)
else:
    count=0
    for i in range(n):
        for j in range(i+1,n):
            for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
    print(count) n=int(input()) n int(input()) int input() input l=list(map(int,input().split())) l list(map(int,input().split())) list map(int,input().split()) map int input().split() ().split () input split if n<=2:
    print(0)
else:
    count=0
    for i in range(n):
        for j in range(i+1,n):
            for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
    print(count) n<=2 n 2 print(0) print 0 count=0 count 0 for i in range(n):
        for j in range(i+1,n):
            for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
     i range(n) range n for j in range(i+1,n):
            for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
     j range(i+1,n) range i+1 i 1 n for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
     k range(j+1,n) range j+1 j 1 n if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
     l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i] l[i]!=l[j] and l[j]!=l[k] l[i]!=l[j] l[i] l i l[j] l j l[j]!=l[k] l[j] l j l[k] l k l[k]!=l[i] l[k] l k l[i] l i a=[l[i],l[j],l[k]] a [l[i],l[j],l[k]] l[i] l i l[j] l j l[k] l k a.sort() a.sort a sort if a[2]<a[0]+a[1]:
                        count+=1
     a[2]<a[0]+a[1] a[2] a 2 a[0]+a[1] a[0] a 0 a[1] a 1 count+=1 count 1 print(count) print count l=list(map(int,input().split())) list(map(int,input().split())) l a=[l[i],l[j],l[k]] [l[i],l[j],l[k]] a count+=1 1 count n=int(input()) int(input()) n count=0 0 count
n=int(input())
l=list(map(int,input().split()))
if n<=2:
    print(0)
else:
    count=0
    for i in range(n):
        for j in range(i+1,n):
            for k in range(j+1,n):
                if l[i]!=l[j] and l[j]!=l[k] and l[k]!=l[i]:
                    a=[l[i],l[j],l[k]]
                    a.sort()
                    if a[2]<a[0]+a[1]:
                        count+=1
    print(count)